Relevant bibliographies by topics / Flux de trading

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Flux de trading'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Flux de trading"

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Nayak, Chetan, and Frank Wilczek. "Spin-singlet to spin-polarized phase transition at : flux-trading in action." Nuclear Physics B 455, no. 3 (September 1995): 493–504. http://dx.doi.org/10.1016/0550-3213(95)00519-x.

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Mendoza Urdiales, Román Alejandro, Andrés García-Medina, and José Antonio Nuñez Mora. "Measuring information flux between social media and stock prices with Transfer Entropy." PLOS ONE 16, no. 9 (September 23, 2021): e0257686. http://dx.doi.org/10.1371/journal.pone.0257686.

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Transfer Entropy was applied to analyze the correlations and flow of information between 200,500 tweets and 23 of the largest capitalized companies during 6 years along the period 2013-2018. The set of tweets were obtained applying a text mining algorithm and classified according to daily date and company mentioned. We proposed the construction of a Sentiment Index applying a Natural Processing Language algorithm and structuring the sentiment polarity for each data set. Bootstrapped Simulations of Transfer Entropy were performed between stock prices and Sentiment Indexes. The results of the Transfer Entropy simulations show a clear information flux between general public opinion and companies’ stock prices. There is a considerable amount of information flowing from general opinion to stock prices, even between different Sentiment Indexes. Our results suggest a deep relationship between general public opinion and stock prices. This is important for trading strategies and the information release policies for each company.
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Manak, Inu. "Making Sense of U.S. Trade Policy: What Recent Negotiations Can Tell Us." Proceedings of the ASIL Annual Meeting 113 (2019): 378–80. http://dx.doi.org/10.1017/amp.2019.195.

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U.S. trade policy is not what it used to be. Since the U.S. withdrawal from the Trans-Pacific Partnership in January 2017, Indo-Pacific trade relations have been in constant flux. It is not clear where U.S. trade policy will end up, particularly with regard to its relationship with China. However, the conclusion of two renegotiations of previous U.S. trade agreements can tell us generally about the new U.S. approach and what this means for our trading partners. I will discuss developments from the renegotiation of the Korea-U.S. free trade agreement (KORUS) and the U.S.-Mexico-Canada Agreement (USMCA) as a replacement for the North American Free Trade Agreement (NAFTA).
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Bautista, Nahuel, Bruno D. V. Marino, and J. William Munger. "Science to Commerce: A Commercial-Scale Protocol for Carbon Trading Applied to a 28-Year Record of Forest Carbon Monitoring at the Harvard Forest." Land 10, no. 2 (February 6, 2021): 163. http://dx.doi.org/10.3390/land10020163.

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Forest carbon sequestration offset protocols have been employed for more than 20 years with limited success in slowing deforestation and increasing forest carbon trading volume. Direct measurement of forest carbon flux improves quantification for trading but has not been applied to forest carbon research projects with more than 600 site installations worldwide. In this study, we apply carbon accounting methods, scaling hours to decades to 28-years of scientific CO2 eddy covariance data for the Harvard Forest (US-Ha1), located in central Massachusetts, USA and establishing commercial carbon trading protocols and applications for similar sites. We illustrate and explain transactions of high-frequency direct measurement for CO2 net ecosystem exchange (NEE, gC m−2 year−1) that track and monetize ecosystem carbon dynamics in contrast to approaches that rely on forest mensuration and growth models. NEE, based on eddy covariance methodology, quantifies loss of CO2 by ecosystem respiration accounted for as an unavoidable debit to net carbon sequestration. Retrospective analysis of the US-Ha1 NEE times series including carbon pricing, interval analysis, and ton-year exit accounting and revenue scenarios inform entrepreneur, investor, and landowner forest carbon commercialization strategies. CO2 efflux accounts for ~45% of the US-Ha1 NEE, an error of ~466% if excluded; however, the decades-old coupled human and natural system remains a financially viable net carbon sink. We introduce isoflux NEE for t13C16O2 and t12C18O16O to directly partition and quantify daytime ecosystem respiration and photosynthesis, creating new soil carbon commerce applications and derivative products in contrast to undifferentiated bulk soil carbon pool approaches. Eddy covariance NEE methods harmonize and standardize carbon commerce across diverse forest applications including, a New England, USA regional eddy covariance network, the Paris Agreement, and related climate mitigation platforms.
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Sørensen, Megan E. S., Duncan D. Cameron, Michael A. Brockhurst, and A. Jamie Wood. "Metabolic constraints for a novel symbiosis." Royal Society Open Science 3, no. 3 (March 2016): 150708. http://dx.doi.org/10.1098/rsos.150708.

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Ancient evolutionary events are difficult to study because their current products are derived forms altered by millions of years of adaptation. The primary endosymbiotic event formed the first photosynthetic eukaryote resulting in both plants and algae, with vast consequences for life on Earth. The evolutionary time that passed since this event means the dominant mechanisms and changes that were required are obscured. Synthetic symbioses such as the novel interaction between Paramecium bursaria and the cyanobacterium Synechocystis PC6803, recently established in the laboratory, permit a unique window on the possible early trajectories of this critical evolutionary event. Here, we apply metabolic modelling, using flux balance analysis (FBA), to predict the metabolic adaptations necessary for this previously free-living symbiont to transition to the endosymbiotic niche. By enforcing reciprocal nutrient trading, we are able to predict the most efficient exchange nutrients for both host and symbiont. During the transition from free-living to obligate symbiosis, it is likely that the trading parameters will change over time, which leads in our model to discontinuous changes in the preferred exchange nutrients. Our results show the applicability of FBA modelling to ancient evolutionary transitions driven by metabolic exchanges, and predict how newly established endosymbioses, governed by conflict, will differ from a well-developed one that has reached a mutual-benefit state.
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Dow, N., J. Roehr, D. Murphy, L. Solomon, J. Mieog, J. Blackbeard, S. Gray, et al. "Fouling mechanisms and reduced chemical potential of ceramic membranes combined with ozone." Water Practice and Technology 10, no. 4 (December 1, 2015): 806–13. http://dx.doi.org/10.2166/wpt.2015.100.

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Combining ceramic membranes with ozonation and allowing ozone residual to contact the membrane surface is well known to control fouling, allowing for higher membrane fluxes. This means that the more robust, longer lasting and higher integrity ceramic material can potentially be used in water recycling in a cost competitive way. This paper presents additional results from a previously reported ozonation/ceramic membrane trial in Melbourne, Australia. The results assisted in understanding the cause of the high fluxes by quenching the residual ozone upstream of the membrane, to isolate its effects on organic species from those on the membrane. Ozone quenching was directly attributed to lost membrane performance which confirmed that ozone has a direct effect on the membrane which contributes to the higher fluxes. Tests to reduce cleaning chemical use (sodium hypochlorite) at high fluxes were also conducted. Sodium hypochlorite consumption generally was not significant, but trading better stability and higher fluxes for reduced chemical use needs to be justified. Ceramic membranes coupled with pre-ozonation exhibit unique properties in water treatment, offering potential advantages such as increased backwash disinfection, as well as higher flux rates or reduced chemical consumption.
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Callaghan, Chris W. "A test of satisfaction, experience and hours of work as mediators of the relationship between education and informal earnings." Journal of Economic and Financial Sciences 9, no. 1 (December 18, 2017): 256–74. http://dx.doi.org/10.4102/jef.v9i1.41.

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At the heart of policies aimed at eliminating informal street trading seems to be a ‘marginalist’ perspective of the sector which does not see it as contributing to socio-economic development. What is not clear, however, is what underlies the financial dysfunctionality associated with the sector. Using a sample of 303 inner city street traders drawn from Johannesburg, a large South African city, tests of regression and mediated regression were used to test theory that predicts the existence of certain human capital relationships that may contribute to increased earnings for these traders. Findings suggest that certain human capital relationships in this sector may differ from those normally found in formal working contexts, in that although education is significantly associated with earnings, continuance satisfaction, experience and expenditure of effort, or hours worked per day, all do not mediate relationships between education and earnings. It is suggested that current policies might be keeping traders in a state of ‘flux’, where human capital transmission to financial performance might be unable to take root through seeking to ‘crack down’ on the sector instead of investing in the sector to enable its functionality, and hence its potential contribution to economic development.
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Andrino, Alberto, Georg Guggenberger, Leopold Sauheitl, Stefan Burkart, and Jens Boy. "Carbon investment into mobilization of mineral and organic phosphorus by arbuscular mycorrhiza." Biology and Fertility of Soils 57, no. 1 (September 1, 2020): 47–64. http://dx.doi.org/10.1007/s00374-020-01505-5.

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AbstractTo overcome phosphorus (P) deficiency, about 80% of plant species establish symbiosis with arbuscular mycorrhizal fungi (AMF), which in return constitute a major sink of photosynthates. Information on whether plant carbon (C) allocation towards AMF increases with declining availability of the P source is limited. We offered orthophosphate (OP), apatite (AP), or phytic acid (PA) as the only P source available to arbuscular mycorrhiza (AM) (Solanum lycopersicum x Rhizophagus irregularis) in a mesocosm experiment, where the fungi had exclusive access to each P source. After exposure, we determined P contents in the plant, related these to the overall C budget of the system, including the organic C (OC) contents, the respired CO2, the phospholipid fatty acid (PLFA) 16:1ω5c (extraradical mycelium), and the neutral fatty acid (NLFA) 16:1ω5c (energy storage) at the fungal compartment. Arbuscular mycorrhizal (AM) plants incorporated P derived from the three P sources through the mycorrhizal pathway, but did this with differing C-P trading costs. The mobilization of PA and AP by the AM plant entailed larger mycelium infrastructure and significantly larger respiratory losses of CO2, in comparison with the utilization of the readily soluble OP. Our study thus suggests that AM plants invest larger C amounts into their fungal partners at lower P availability. This larger C flux to the AM fungi might also lead to larger soil organic C contents, in the course of forming larger AM biomass under P-limiting conditions.
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Chinea, Jorge L. "Race, Colonial Exploitation and West Indian Immigration in Nineteenth-Century Puerto Rico, 1800-1850." Americas 52, no. 4 (April 1996): 495–519. http://dx.doi.org/10.2307/1008475.

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“Unlike some Latin American mainland societies which still contain large numbers of indigenous peoples,” Jorge Duany observed, “Caribbean societies are immigrant societies almost from the moment of their conception.” Médéric-Louis-Élie Moreau de Saint- Méry likened the latter to “shapeless mixtures subject to diverse influences.” Their population, Dawn I. Marshall reminds us, “is to a large extent the result of immigration—from initial settlement, forced immigration during slavery, indentured immigration, to the present outward movement to metropolitan countries.” Throughout their history, David Lowenthal noted, limited resources and opportunities kept West Indian societies in a constant state of flux, impelling continuous transfers of people, technology, and institutions within the area. Despite the frequency and importance of these population movements, the bulk of scholarship on American migration history has traditionally concentrated on areas favored by European settlement. Moreover, the overwhelming quantity of research on immigration to the United States, Canada, Argentina, and Brazil has tended to overshadow the study of similar processes in other American regions. Due to its historical association with the arrival of involuntary settlers, migratory currents in the Caribbean have been too narrowly identified with bondage, penal labor and indentured workers. Nowhere is the imbalance more conspicuous than in the study of trans-Caribbean migratory streams during slavery. Discussions on pre-1838 population shifts have centered largely on inter-island slave trading and the exodus prompted by Franco-Haitian revolutionary activity in the Caribbean. The parallel legacy of motion hinted by Neville N.A.T. Hall's “maritime” maroons and Julius S. Scott's “masterless” migrants has attracted noticeably less attention.
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Seguin, Jory, Song Gao, Wagdi George Habashi, Dario Isola, and Guido Baruzzi. "A finite element solver for hypersonic flows in thermo-chemical non-equilibrium, Part I." International Journal of Numerical Methods for Heat & Fluid Flow 29, no. 7 (July 1, 2019): 2352–88. http://dx.doi.org/10.1108/hff-09-2018-0498.

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Purpose This paper aims to describe the physical and numerical modeling of a new computational fluid dynamics solver for hypersonic flows in thermo-chemical non-equilibrium. The code uses a blend of numerical techniques to ensure accuracy and robustness and to provide scalability for advanced hypersonic physics and complex three-dimensional (3D) flows. Design/methodology/approach The solver is based on an edge-based stabilized finite element method (FEM). The chemical and thermal non-equilibrium systems are loosely-coupled to provide flexibility and ease of implementation. Chemical non-equilibrium is modeled using a laminar finite-rate chemical kinetics model while a two-temperature model is used to account for thermodynamic non-equilibrium. The systems are solved implicitly in time to relax numerical stiffness. Investigations are performed on various canonical hypersonic geometries in two-dimensional and 3D. Findings The comparisons with numerical and experimental results demonstrate the suitability of the code for hypersonic non-equilibrium flows. Although convergence is shown to suffer to some extent from the loosely-coupled implementation, trading a fully-coupled system for a number of smaller ones improves computational time. Furthermore, the specialized numerical discretization offers a great deal of flexibility in the implementation of numerical flux functions and boundary conditions. Originality/value The FEM is often disregarded in hypersonics. This paper demonstrates that this method can be used successfully for these types of flows. The present findings will be built upon in a later paper to demonstrate the powerful numerical ability of this type of solver, particularly with respect to robustness on highly stretched unstructured anisotropic grids.
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Dissertations / Theses on the topic "Flux de trading"

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Dayri, Khalil Antoine. "Microsturcture des marchés et modelistion des flux de trading." Phd thesis, Ecole Polytechnique X, 2012. http://pastel.archives-ouvertes.fr/pastel-00689127.

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On propose une perspective originale d'analyser les différents flux hautes fréquences d'information provenant des marchés financiers et fournit des modèles simples et intuitives qui reflètent étroitement la réalité. On observe les données empiriques et note certains faits stylisés et propose des modèles pour capturer ces faits. Dans le chapitre 1, on passe en revue les définitions et propriétés de base des marchés électroniques. En particulier, on revoit les travaux de microstructure et de modélisation du marché, et leurs relations à ce travail. On introduit la taille du "tick", qu'on utilise pour classifier les actifs et interpréter les différents résultats. Dans le chapitre 2, on montre empiriquement que l'impact d'une seule transaction dépend de la durée inter-transactions. En effet, lorsque le taux des échanges devient plus rapide, la variance des rendements des transactions augmente fortement et que ce comportement persiste à des échelles de temps plus grossières. On montre également que la valeur du spread augmente avec l'activité et on en déduit que les carnets d'ordres sont plus vide lorsque le taux des échanges est élevé. Dans le chapitre 3, on présente un modèle pour capturer le bruit de microstructure. Les prix des actifs sont représentés par la somme des rendements "tick" arrivant à des temps de Poisson aléatoires. Le modèle se compose d'une martingale diffusive contaminée par un bruit autocorrélé mais disparaissant aux échelles grossières. On est capable de capturer la signature de la variance et l'autocorrélation faible mais significative des rendements "tick". Dans le chapitre 4, on utilise les processus ponctuels de Hawkes pour modéliser l'arrivée aléatoire des transactions. On modélise la transformation échelle fine - échelle grossière des prix et en particulier l'effet sur les moments des rendements des prix. On propose une technique simple d'estimation non paramétrique de la structure de dépendance des processus de Hawkes dans le cas unidimensionnel et dans quelques cas particuliers multidimensionnels. On applique la méthode à des actifs de Future et trouve des noyaux de dépendance en loi de puissance.
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Al, Dayri Khalil. "Microstructure des marchés et modélisation du flux de trading." Palaiseau, Ecole polytechnique, 2011. http://www.theses.fr/2011EPXX0097.

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Ahillen, Caroline. "Agent-based modeling of the spread of the 1918-1919 Spanish Flu in three Canadian fur trading communities." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4582.

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Thesis (M.A.)--University of Missouri-Columbia, 2006.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (February 5, 2007) Includes bibliographical references.
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Miti, Wilson. "Energy Efficiency and Carbon Management in Mineral Processing Plants." Thesis, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-144292.

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Copper processing plants involved in smelting, electro-refining and electro-winning are heat-intensive undertakings that provide extensive challenges for attainment of high energy efficiency. Literature has shown that most of these plants, especially smelters, operate at low overall energy efficiency due to the seemingly complex energy scenario where heat and electricity as forms of energy are treated distinctively from each other. Many copper processing plants have not yet explored both available and emerging waste heat recovery technologies hence remain operating at lower energy efficiencies. In the copper processing plants under study in particular the Nchanga tailings leach plant (TLP), plant operators hinted that some of the processes that ought to operate in heated environments operate at ambient temperatures because of lack of a heating mechanism. The project discusses possible heating mechanisms from available local resources and applicable technologies. As the competing options for providing the required heat at the Nchanga TLP present different carbon emission scenarios, the carbon emissions associated to the recommended installations shall be quantified against a suitable baseline. Flue gas waste heat from the nearby Nchanga smelter has been taken as the available local energy source on which the applicable heating scenarios at TLP are analyzed. The project analyzed waste heat scenarios for three furnaces at Nchanga smelter where it has been established that flue gases from the furnaces contain 37.31 MW of waste heat. Analysis for channeling the waste heat into heat recovery steam generators gave the steam turbine power generation potential of 7.06 MW. The project also demonstrated how energy efficiency undertakings can be used as a driver for carbon emission reduction measures and for participation to the available carbon trading mechanisms such as CDM. Selection of suitable baseline scenarios revealed a lot of potential for carbon finance undertakings in the three case study plants. At the Nchanga smelter, the 7.06 MW power generation capacity has an associated potential of 61,820 tCO2/year emission reductions that can be monetized through the available carbon trading markets. The research established that Nchanga TLP has a heating demand of 10.87MW. If this heating demand was to be met by using the smelter waste heat, the undertaking can be taken as CDM activity or other carbon trading platform with an associated potential of 95,183 tCO2/year.
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Book chapters on the topic "Flux de trading"

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Michie, Ranald C. "Bonds and Currencies, 2007–20." In Banks, Exchanges, and Regulators, 426–48. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780199553730.003.0016.

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Though markets are normally associated with regulated institutions such as exchanges of far greater importance was that trading which took place outside them. Ranked among the largest and most active financial markets in the world were those involving fixed income financial instruments and currencies, where trading took place through direct contact between buyers and sellers, the intermediation of inter-dealer brokers and, increasingly, the use of electronic platforms that matched sales and purchases. These markets were essential tools used by banks in their constant adjustment of assets and liabilities across time and space, as well as type, or the lending and borrowing they did between each other so as to profitably employ the resources at their command. This was a world in flux that was pushing traditional exchanges and the voice brokers towards oblivion, though leaving a role for those who negotiated bespoke deals or handled complex products. That was the position on the eve of the Global Financial Crisis, and then resumed thereafter. The advance of the electronic trading platforms proved unstoppable, sweeping away all rivals that failed to embrace the revolution taking place.
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"Bird Flu." In World Event Trading, 69–80. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119198062.ch5.

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"1918 Spanish Flu." In World Event Trading, 17–24. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119198062.ch2.

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Coen, David, Alexander Katsaitis, and Matia Vannoni. "Business-Government Relations in the EU." In Business Lobbying in the European Union, 1–18. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780199589753.003.0001.

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This monograph charts and assesses business lobbying in Brussels, taking into consideration its nuances. Indeed, a number of disciplines, theories, and methodological approaches grapple with this subject. The EU is one of the largest trading blocs and lobbying environments in the world. It is also a unique socio-political arena, in constant flux over the last fifty years. Business has not been idle; expanding its reach outside of the national domain, since the 1970s it has developed a spectacular advocacy toolbox, particularly in Europe and the US. Government affairs offices in Brussels today hardly resemble those forty years ago in quality or quantity. The relationship, is multi-layered, multi-level, multi-actor, and cuts across a series of institutional, thematic, legal, social, and governmental networks. With this in mind, this monograph draws on two different disciplines that act as a theoretical prism: political science, and business and management studies. The former helps make sense of the demand side of the equation, the role of government in shaping business activity. The latter provides the supply side, the company’s inner workings and its strategic choice to mobilize and lobby the EU. We employ three analytic perspectives: (i) macro; (ii) meso; (iii) micro. Bringing together different perspectives to business-government affairs in the EU, we aim to provide a rounded theoretical understanding of the relationship, a rich set of conceptual tools for its examination, and a detailed empirical mapping.
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Cumbler, John T. "From Milling to Manufacturing From Villages to Mill Towns." In Reasonable Use. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195138139.003.0006.

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The new world of New England was one of factories and factory towns, as well as farms and forests. It was a world where farmers, looking to those factory towns for markets, plowed their fields deep and intensively managed their land. It was a world where lumbermen stripped mountainsides of their forest cover to meet the cities’ growing appetite for lumber. It was a world of managed and controlled nature. It was also a world of rapid change, and increasingly after 1800, the force behind that change was the coming of the manufacturing mills. Levi Shepard’s 1788 duck-cloth factory was of a different type than the traditional mills of New England. Although mills that spun or fulled cloth had long been part of rural New England, Levi Shepard had a different market in mind when he encouraged local farmers to bring him their flax. Shepard wanted to take material from the countryside and, with the help of “workers employed,” “manufacture” it into a commodity for sale. Shepard’s decision to focus on manufacturing for distant markets represented a new world. Manufacturing in rural New England began small. And although it made a huge impact on travelers such as Timothy Dwight, it grew out of, while at the same time it transformed, traditional rural society. The processing of goods of the countryside was an integral part of traditional New England life, whether in 1650 or 1800. In 1790, the Hampshire Gazette commented that although “a large quantity of woollen cloth are made in private families and brought to market in our trading towns, a great part of [the woollen cloth] is not calculated for market.” The shift from milling produce for local use to manufacturing occurred initially for most of rural New England with the shift of small traders, merchants, and millers from processing for local farmers to processing for external markets. Edmund Taylor of Williamsburg on the Mill River, for example, at the turn of the century added carding and picking machines to his gristmill. As he did for grain, Taylor processed the material from the countryside, keeping a portion of it as his pay.
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"not establish missions, even though they sometimes desired to do so. The first necessity was a body of people with the degree of commitment needed to live on someone else’s terms, together with the mental equipment for coping with the implications. Such commitment was in turn most likely to arise in the wake of powerful religious influences. Times of religious renewal were nec-essary for the recruitment of a sizeable company of such people, and the maintenance of a succession of them. A tradition of mental training, how-ever, was also needed; charismatic inspiration alone would not suffice, and indeed the plodder might succeed better with a new language and a new soci-ety than the inspired preacher. The second need was for a form of organization which could mobilize committed people, maintain and supply them, and forge a link between them and their work and the wider church. Since in the nature of things both their work and the conditions in which they carried it out were exceptional, the necessary structures could not readily emerge in very rigid regimes, whether political or ecclesiastical. They needed tolerance of the exceptional, and flex-ibility. The third factor necessary to overseas missions was sustained access to overseas locations, with the capacity to maintain communication over long periods. This implies what might be called maritime consciousness, with mar-itime capability and logistical support. All three factors were present in the first, Catholic, phase of the missionary movement. The Catholic Reformation released the spiritual forces to produce the committed worker, the religious orders offered possibilities of extension and adaptation which produced the structures for deploying them, and the Portuguese enclaves and trading depots provided the communication net-works and transoceanic bases. When in the course of the eighteenth century the Catholic phase of missions began to stutter, it was partly because the three factors were no longer fully in place. The Protestant movement developed as the Catholic movement weakened. It began, not at the end of the eighteenth century (that is a purely British per-spective) but at the end of the seventeenth; not in England, but in Germany and Central Europe. Its main motors were in Halle and Herrnhut, though, just as German Pietism drew on the English puritan tradition, it had a puri-tan prologue. William Carey’s Enquiry did not initiate it; the object of that." In The Rise of the Laity in Evangelical Protestantism, 186–87. Routledge, 2003. http://dx.doi.org/10.4324/9780203166505-89.

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Conference papers on the topic "Flux de trading"

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Deng, Yang, Tao Han, and Ning Zhang. "FLeX: Trading Edge Computing Resources for Federated Learning via Blockchain." In IEEE INFOCOM 2021 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS). IEEE, 2021. http://dx.doi.org/10.1109/infocomwkshps51825.2021.9484628.

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Gambini, Marco, and Michela Vellini. "Conventional Power Plants Equipped With Systems for CO2 Emission Abatement." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66471.

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This paper presents the results from an evaluation of the performance and cost of Italian power plants (a steam cycle power plants — 500 MW — fed by coal and a combined cycle power plant — 300 MW — fed by natural gas) with CO2 emissions control equipment to achieve a fixed reduction in atmospheric discharge of carbon dioxide (CO2) and so to accomplish the CO2 emission targets established by the Kyoto Protocol. The reduction of the CO2 content in the flue gas is achieved by amine scrubbing (CO2 removal), removal of water from CO2 (drying), compression to pipeline pressure; transport and storage are not considered. The paper presents an economic evaluation of the CO2 abatement cost and compares it with the cost of allowances in the Emission Trading System and with the payment of the penalty for the emissions in excess when there is no CO2 quota available on the market.
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Tola, Vittorio, and Matthias Finkenrath. "Low Temperature Heat Recovery Through Integration of Organic Rankine Cycle and CO2 Removal Systems in a NGCC." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20324.

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Reducing carbon dioxide (CO2) emissions from power plants utilizing fossil fuels is expected to become substantially more important in the near- to medium-term due to increasing costs associated to national and international greenhouse gas regulations, such as the Kyoto protocol and the European Union Emission Trading Scheme. However, since net efficiency penalties caused by capturing CO2 emissions from power plants are significant, measures to reduce or recover efficiency losses are of substantial interest. For a state-of-the-art 400 MW natural gas-fueled combined cycle (NGCC) power plant, post-combustion CO2 removal based on chemical solvents like amines is expected to reduce the net plant efficiency in the order of 9–12 percentage points at 90% overall CO2 capture. A first step that has been proposed earlier to improve the capture efficiency and reduce capture equipment costs for NGCC is exhaust gas recirculation (EGR). An alternative or complementary approach to increase the overall plant efficiency could be the recovery of available low temperature heat from the solvent-based CO2 removal systems and related process equipment. Low temperature heat is available in substantial quantities in flue gas coolers that are required upstream of the CO2 capture unit, and that are used for exhaust gas recirculation, if applied. Typical temperature levels are in the order of 80°C or up to 100 °C on the hot end. Additional low-grade heat sources are the amine condenser which operates at around 100–130 °C and the amine reboiler water cooling that could reach temperatures of up to 130–140°C. The thermal energy of these various sources could be utilized in a variety of low-temperature heat recovery systems. This paper evaluates heat recovery by means of an Organic Rankine Cycle (ORC) that — in contrast to traditional steam Rankine cycles — is able to convert heat into electricity efficiently even at comparably low temperatures. By producing additional electrical power in the heat recovery system, the global performance of the power plant can be further improved. This study indicates a theoretical entitlement of up to additional 1–1.5 percentage points in efficiency that could be gained by integrating ORC technology with a post-combustion capture system for natural gas combined cycles. The analysis is based on fundamental thermodynamic analyses and does not include an engineering- or component-level design and feasibility analysis. Different ORC configurations have been considered for thermal energy recovery at varying temperature levels from the above-mentioned sources. The study focuses on simultaneous low-grade heat recovery in a single ORC loop. Heat recovery options that are discussed include in series, in parallel or cascaded arrangements of heat exchangers. Different organic operating fluids, including carbon dioxide, R245fa, and N-butane were considered for the analysis. The ORC performance was evaluated for the most promising organic working fluid by a parametric study. Optimum cycle operating temperatures and pressures were identified in order to evaluate the most efficient approach for low temperature heat recovery.
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